.qcbapro-app {
    --qcbg: #0d1220;
    --qcpanel: #141b2d;
    --qcpanel2: #101827;
    --qctext: #f4f7fb;
    --qcmuted: #9aa7bd;
    --qcline: rgba(255,255,255,.09);
    --qcgreen: #20d37a;
    --qcred: #ff5364;
    --qcblue: #2394ff;
    --qcyellow: #ffb020;
    background: var(--qcbg);
    color: var(--qctext);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,.30);
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    margin: 22px 0;
}
.qcbapro-app * { box-sizing: border-box; }
.qcbapro-topbar {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    padding: 22px 24px;
    background: linear-gradient(135deg, #101a31, #0b1120);
    border-bottom: 1px solid var(--qcline);
}
.qcbapro-topbar h2 { margin: 0 0 6px; font-size: 25px; line-height: 1.2; color: var(--qctext); }
.qcbapro-topbar p { margin: 0; color: var(--qcmuted); font-size: 14px; }
.qcbapro-status-pill {
    padding: 9px 13px;
    border-radius: 999px;
    background: rgba(35,148,255,.14);
    color: #a6d4ff;
    font-size: 13px;
    font-weight: 700;
    white-space: nowrap;
}
.qcbapro-risk {
    margin: 18px 24px 0;
    padding: 12px 14px;
    border: 1px solid rgba(255,176,32,.35);
    background: rgba(255,176,32,.10);
    color: #ffe2a8;
    border-radius: 14px;
    font-size: 13px;
    line-height: 1.55;
}
.qcbapro-risk.qcbapro-hide { display: none; }
.qcbapro-grid {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 18px;
    padding: 20px 24px 24px;
}
.qcbapro-panel {
    background: var(--qcpanel);
    border: 1px solid var(--qcline);
    border-radius: 18px;
    overflow: hidden;
}
.qcbapro-market-panel { padding: 18px; }
.qcbapro-main-panel { padding: 18px; }
.qcbapro-section-title {
    color: var(--qctext);
    font-size: 15px;
    font-weight: 800;
    margin-bottom: 12px;
}
.qcbapro-tabs {
    display: flex;
    gap: 7px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}
.qcbapro-tab {
    border: 0;
    background: #202a40;
    color: var(--qctext);
    border-radius: 10px;
    padding: 9px 10px;
    font-size: 12px;
    font-weight: 800;
    cursor: pointer;
}
.qcbapro-tab.qcbapro-active { background: var(--qcblue); }
.qcbapro-search-wrap input,
.qcbapro-journal-form input,
.qcbapro-actions select {
    width: 100%;
    border: 1px solid var(--qcline);
    background: #0f1728;
    color: var(--qctext);
    border-radius: 12px;
    padding: 11px 12px;
    outline: none;
}
.qcbapro-search-wrap input:focus,
.qcbapro-journal-form input:focus,
.qcbapro-actions select:focus { border-color: rgba(35,148,255,.8); }
.qcbapro-market-list {
    margin-top: 14px;
    max-height: 510px;
    overflow: auto;
    padding-right: 5px;
}
.qcbapro-market-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    padding: 12px;
    border-radius: 14px;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background .18s, border .18s;
}
.qcbapro-market-item:hover { background: rgba(255,255,255,.05); }
.qcbapro-market-item.qcbapro-active {
    background: rgba(35,148,255,.12);
    border-color: rgba(35,148,255,.35);
}
.qcbapro-symbol-name { font-weight: 800; font-size: 14px; color: var(--qctext); }
.qcbapro-symbol-meta { color: var(--qcmuted); font-size: 12px; margin-top: 2px; }
.qcbapro-payout {
    color: var(--qcyellow);
    font-weight: 900;
    font-size: 13px;
    white-space: nowrap;
}
.qcbapro-toolbar {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    margin-bottom: 15px;
}
.qcbapro-current-symbol { font-size: 24px; font-weight: 900; color: var(--qctext); }
.qcbapro-small { color: var(--qcmuted); font-size: 12px; margin-top: 3px; }
.qcbapro-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.qcbapro-actions select { width: auto; min-width: 100px; }
.qcbapro-btn {
    border: 1px solid var(--qcline);
    background: #202a40;
    color: var(--qctext) !important;
    padding: 10px 13px;
    border-radius: 12px;
    text-decoration: none !important;
    font-weight: 800;
    font-size: 13px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
}
.qcbapro-btn:hover { filter: brightness(1.08); }
.qcbapro-btn-primary { background: var(--qcblue); border-color: var(--qcblue); }
.qcbapro-chart {
    height: 360px;
    background: var(--qcpanel2);
    border: 1px solid var(--qcline);
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 15px;
    position: relative;
}
.qcbapro-chart-fallback {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--qcmuted);
    text-align: center;
    padding: 18px;
}
.qcbapro-result-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0,1fr));
    gap: 12px;
    margin-bottom: 15px;
}
.qcbapro-card {
    background: var(--qcpanel2);
    border: 1px solid var(--qcline);
    border-radius: 16px;
    padding: 14px;
}
.qcbapro-card span { display: block; color: var(--qcmuted); font-size: 12px; margin-bottom: 8px; }
.qcbapro-card strong { color: var(--qctext); font-size: 22px; line-height: 1.1; }
.qcbapro-up-card strong { color: var(--qcgreen); }
.qcbapro-down-card strong { color: var(--qcred); }
.qcbapro-analysis-box,
.qcbapro-lesson-box,
.qcbapro-journal {
    background: var(--qcpanel2);
    border: 1px solid var(--qcline);
    border-radius: 16px;
    padding: 15px;
    margin-top: 12px;
}
.qcbapro-analysis-box ul { margin: 0; padding-left: 19px; color: var(--qctext); }
.qcbapro-analysis-box li { margin: 7px 0; color: #dfe8f7; }
.qcbapro-lesson-box p { margin: 0; color: #dfe8f7; line-height: 1.6; }
.qcbapro-journal-form {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}
.qcbapro-journal-list {
    display: grid;
    gap: 8px;
}
.qcbapro-journal-item {
    background: rgba(255,255,255,.04);
    border: 1px solid var(--qcline);
    border-radius: 12px;
    padding: 10px;
    color: #dfe8f7;
    font-size: 13px;
}
.qcbapro-muted { color: var(--qcmuted); }
.qcbapro-error { color: #ffd0d5; }
@media (max-width: 980px) {
    .qcbapro-grid { grid-template-columns: 1fr; }
    .qcbapro-market-list { max-height: 290px; }
    .qcbapro-result-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 620px) {
    .qcbapro-topbar { flex-direction: column; align-items: flex-start; padding: 18px; }
    .qcbapro-grid { padding: 16px; }
    .qcbapro-risk { margin: 14px 16px 0; }
    .qcbapro-toolbar { flex-direction: column; align-items: stretch; }
    .qcbapro-actions { align-items: stretch; }
    .qcbapro-actions select, .qcbapro-btn { flex: 1; }
    .qcbapro-result-grid { grid-template-columns: 1fr; }
    .qcbapro-journal-form { flex-direction: column; }
}